Made of good-quality materials,anti-corrosion,wear-resistant Directly fit in,easy to install Standard design,convenient to operate Comes with switch and socket,no need to buy them separately,convenient and time-saving Suitable for multiple models of for Mercedes-Benz,please confirm your car model before ordering to ensure that the item fits perfectly. Cable length : 1M Plug diameter : 3.5mm Applicable to: for Mercedes Benz following models: Audio 20, Audio 30, Audio 50 APS Comand APS (nur NTG2) A-W169, B-W245 C-W203 & CLK-W209 04/04~ M-W164, GL-X164, R-W251 mit Audio 20, Audio 30 Audio 50 APS,Comand APS W169 for Mercedes A-class W245 for Mercedes B-class W203 for Mercedes C-class W209 for Mercedes CLK-class X164 for Mercedes GL-class W164 for Mercedes M-class W251 for Mercedes R-class W221 for Mercedes S-class R230 for Mercedes SL-class for Mercedes CL-class (2004-2006) Material: Plastic+Copper colour: black Package Contents: 1 x AUX Cable 1 x Switch Socket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.